Current Mode PWM Power Switch Freq Shuffling, BL8891B Replace OB2358.
FEATURES

• Power on Soft Start Reducing MOSFET VDS Stress

• Frequency shuffling for EMI

• Extended Burst Mode Control For Improved

  Efficiency and Minimum Standby Power Design

• Audio Noise Free Operation

• Fixed 50KHZ Switching Frequency

• Internal Synchronized Slope Compensation

• Low VDD Startup Current and Low Operating Current 

• Leading Edge Blanking on Current Sense Input 

   Good Protection Coverage With Auto Self-Recovery

   VDD Over Voltage Clamp and Under Voltage Lockout with Hysteresis (UVLO)

   Line Input Compensated Cycle-by-Cycle Over-current Threshold Setting 

   For Constant OutputPower Limiting Over Universal Input Voltage Range

   Overload Protection (OLP) 

   Over voltage Protection (OVP)

• DIP7 package

PIN CONFIGUTION
优势替代
OB2358 OB2358.pdf

No.12081

FEATURES

• Power on Soft Start Reducing MOSFET Vds Stress

• Frequency shuffling for EMI

• Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design

• Audio Noise Free Operation

• Fixed 50KHZ Switching Frequency

• Internal Synchronized Slope Compensation

• Low VDD Startup Current and Low Operating Current

• Leading Edge Blanking on Current Sense Input

• Good Protection Coverage With Auto Self-Recovery

     VDD Over Voltage Clamp and Under Voltage Lockout with Hysteresis (UVLO)

     On-Bright Proprietary Line Input Compensated Cycle-by-Cycle Over-current Threshold Setting For Constant Output Power Limiting Over Universal Input Voltage Range.

     Overload Protection (OLP).

     Over voltage Protection(OVP)



PIN CONFIGUTION
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